From: Simon Glass <sjg@chromium.org>
Date: Wed, 1 Feb 2023 20:19:37 +0000 (-0700)
Subject: rcar: Drop timer
X-Git-Url: http://git.dujemihanovic.xyz/img/sics.gif?a=commitdiff_plain;h=4d4cdd4d194596c48125b0a7e42ba0df2747c509;p=u-boot.git

rcar: Drop timer

Drop this unused driver.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/arch/arm/mach-rmobile/Makefile b/arch/arm/mach-rmobile/Makefile
index 195bbeb5c8..3f77760e50 100644
--- a/arch/arm/mach-rmobile/Makefile
+++ b/arch/arm/mach-rmobile/Makefile
@@ -7,7 +7,6 @@ obj-y = cpu_info.o
 obj-y += emac.o
 
 obj-$(CONFIG_DISPLAY_BOARDINFO) += board.o
-obj-$(CONFIG_GLOBAL_TIMER) += timer.o
 obj-$(CONFIG_TMU_TIMER) += ../../sh/lib/time.o
 obj-$(CONFIG_SH73A0) += lowlevel_init.o cpu_info-sh73a0.o pfc-sh73a0.o
 obj-$(CONFIG_R8A7740) += lowlevel_init.o cpu_info-r8a7740.o pfc-r8a7740.o
diff --git a/arch/arm/mach-rmobile/timer.c b/arch/arm/mach-rmobile/timer.c
deleted file mode 100644
index 293c23b5e2..0000000000
--- a/arch/arm/mach-rmobile/timer.c
+++ /dev/null
@@ -1,87 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
- * (C) Copyright 2012 Renesas Solutions Corp.
- */
-
-#include <common.h>
-#include <div64.h>
-#include <init.h>
-#include <time.h>
-#include <asm/io.h>
-#include <asm/arch-armv7/globaltimer.h>
-#include <asm/arch/rmobile.h>
-#include <linux/delay.h>
-
-static struct globaltimer *global_timer = \
-		(struct globaltimer *)GLOBAL_TIMER_BASE_ADDR;
-
-#define CLK2MHZ(clk)	(clk / 1000 / 1000)
-static u64 get_cpu_global_timer(void)
-{
-	u32 low, high;
-	u64 timer;
-
-	u32 old = readl(&global_timer->cnt_h);
-	while (1) {
-		low = readl(&global_timer->cnt_l);
-		high = readl(&global_timer->cnt_h);
-		if (old == high)
-			break;
-		else
-			old = high;
-	}
-
-	timer = high;
-	return (u64)((timer << 32) | low);
-}
-
-static u64 get_time_us(void)
-{
-	u64 timer = get_cpu_global_timer();
-
-	timer = ((timer << 2) + (CLK2MHZ(CFG_SYS_CPU_CLK) >> 1));
-	do_div(timer, CLK2MHZ(CFG_SYS_CPU_CLK));
-	return timer;
-}
-
-static ulong get_time_ms(void)
-{
-	u64 us = get_time_us();
-
-	do_div(us, 1000);
-	return us;
-}
-
-int timer_init(void)
-{
-	writel(0x01, &global_timer->ctl);
-	return 0;
-}
-
-void __udelay(unsigned long usec)
-{
-	u64 start, current;
-	u64 wait;
-
-	start = get_cpu_global_timer();
-	wait = (u64)((usec * CLK2MHZ(CFG_SYS_CPU_CLK)) >> 2);
-	do {
-		current = get_cpu_global_timer();
-	} while ((current - start) < wait);
-}
-
-ulong get_timer(ulong base)
-{
-	return get_time_ms() - base;
-}
-
-unsigned long long get_ticks(void)
-{
-	return get_cpu_global_timer();
-}
-
-ulong get_tbclk(void)
-{
-	return (ulong)(CFG_SYS_CPU_CLK >> 2);
-}